US Bridges

US 191 over Lebo Creek

Good

Wheatland County, Montana · 7M S Harlowton · Structure no. P00045036+09841

Built
2014
11 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
706
2023 count
Owner
State
State Highway Agency

About this bridge

US 191 over Lebo Creek is a prestressed concrete stringer/multi-beam or girder carrying US 191 over Lebo Creek in Wheatland County, Montana. It was built in 2014, so it is 11 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 706 vehicles a day, roughly 12% of them trucks, projected to reach 741 by 2043. The structure is 72 ft (22 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 191
CrossesLebo Creek
Location7M S Harlowton
RouteU.S. Route 191
StateMontana
Coordinates46.34479, -109.88351
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length72 ft (22 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic706 (2023)
Projected traffic741 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 191 over Lebo Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is US 191 over Lebo Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does US 191 over Lebo Creek carry?

About 706 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 191 over Lebo Creek?

The structure is 72 ft (22 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns US 191 over Lebo Creek?

It is owned by the State Highway Agency.